When dragonflies mate, their tails form a love heart.
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There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
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In 2012, a Chinese man named Xiao Fan had a dress made out of 9,999 red roses for his girlfriend and then proposed - 9 in China means forever
16
In Finland, Valentine's Day is called "Ystävänpäivä" which translates into "Friend's day".
4
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
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